RISC-V PR for 9.0

* Make vector whole-register move (vmv) depend on vtype register
 * Fix th.dcache.cval1 priviledge check
 * Don't allow write mstatus_vs without RVV
 * Use hwaddr instead of target_ulong for RV32
 * Fix machine IDs QOM getters\
 * Fix KVM reg id sizes
 * ACPI: Enable AIA, PLIC and update RHCT
 * Fix the interrupts-extended property format of PLIC
 * Add support for Zacas extension
 * Add amocas.[w,d,q] instructions
 * Document acpi parameter of virt machine
 * RVA22 profiles support
 * Remove group setting of KVM AIA if the machine only has 1 socket
 * Add RVV CSRs to KVM
 * sifive_u: Update S-mode U-Boot image build instructions
 * Upgrade OpenSBI from v1.3.1 to v1.4
 * pmp: Ignore writes when RW=01 and MML=0
 * Assert that the CSR numbers will be correct
 * Don't adjust vscause for exceptions
 * Ensure mideleg is set correctly on reset
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCAAdFiEEaukCtqfKh31tZZKWr3yVEwxTgBMFAmWeW8kACgkQr3yVEwxT
 gBMB3BAAtpb7dC/NqDOjo/LjGf81wYUnF0KcfJUIbuHEM9S03mKJEvngV/sUhg+A
 fzsoJazijQZk2+Y02WLT/o+ppRDegb4P6n54Nn13xr024Dn2jf45+EKDLI+vtU5y
 lhwp/LH3SEo2MM/Qr0njl8+jJ7W9adhZeK6x+NFaLaQJ291xupbcwEnScdv2bPAo
 gvbM6yrfUoZ25MsQKIDGssozdGRwOD/keAT0q8C0gKDamqXBDrI80BOVhRms+uLm
 R33DXsAegPKluJTa9gfaWFI0eK34WHXRvSIjE36nZlGNNgqLAVdM2/QozMVz4cKA
 Ymz1nzqB9HeSn1pM4KCK/Y3LH89qLGWtyHYgldiDXA/wSyKajwkbXSWFOT9gPDqV
 i+5BRDvU0zIeMIt+ROqNKgx1Hry6U2aycMNsdHTmygJbGEpiTaXuES5tt+LKsyHe
 w/7a6wPd/kh9LQhXYQ4qbn7L534tWvn8zWyvKLZLxmYPcOn6SdjFbKWmk5ARky2W
 sx9ojn9ANlYaLfzQ3TMRcIhWD6n8Si3KFNiQ3353E8xkRkyfu0WHyXAy8/kIc5UT
 nScO2YD68XkdkcLF6uLUKuGiVZXFWXRY1Ttz9tvEmBckVsg6TIkoMONHeUWNP7ly
 A0bJwN5qEOk6XIYKHWwX5UzvkcfUpOb5VmuLuv3gRoNX0A7/+fc=
 =5K9J
 -----END PGP SIGNATURE-----

Merge tag 'pull-riscv-to-apply-20240110' of https://github.com/alistair23/qemu into staging

RISC-V PR for 9.0

* Make vector whole-register move (vmv) depend on vtype register
* Fix th.dcache.cval1 priviledge check
* Don't allow write mstatus_vs without RVV
* Use hwaddr instead of target_ulong for RV32
* Fix machine IDs QOM getters\
* Fix KVM reg id sizes
* ACPI: Enable AIA, PLIC and update RHCT
* Fix the interrupts-extended property format of PLIC
* Add support for Zacas extension
* Add amocas.[w,d,q] instructions
* Document acpi parameter of virt machine
* RVA22 profiles support
* Remove group setting of KVM AIA if the machine only has 1 socket
* Add RVV CSRs to KVM
* sifive_u: Update S-mode U-Boot image build instructions
* Upgrade OpenSBI from v1.3.1 to v1.4
* pmp: Ignore writes when RW=01 and MML=0
* Assert that the CSR numbers will be correct
* Don't adjust vscause for exceptions
* Ensure mideleg is set correctly on reset

# -----BEGIN PGP SIGNATURE-----
#
# iQIzBAABCAAdFiEEaukCtqfKh31tZZKWr3yVEwxTgBMFAmWeW8kACgkQr3yVEwxT
# gBMB3BAAtpb7dC/NqDOjo/LjGf81wYUnF0KcfJUIbuHEM9S03mKJEvngV/sUhg+A
# fzsoJazijQZk2+Y02WLT/o+ppRDegb4P6n54Nn13xr024Dn2jf45+EKDLI+vtU5y
# lhwp/LH3SEo2MM/Qr0njl8+jJ7W9adhZeK6x+NFaLaQJ291xupbcwEnScdv2bPAo
# gvbM6yrfUoZ25MsQKIDGssozdGRwOD/keAT0q8C0gKDamqXBDrI80BOVhRms+uLm
# R33DXsAegPKluJTa9gfaWFI0eK34WHXRvSIjE36nZlGNNgqLAVdM2/QozMVz4cKA
# Ymz1nzqB9HeSn1pM4KCK/Y3LH89qLGWtyHYgldiDXA/wSyKajwkbXSWFOT9gPDqV
# i+5BRDvU0zIeMIt+ROqNKgx1Hry6U2aycMNsdHTmygJbGEpiTaXuES5tt+LKsyHe
# w/7a6wPd/kh9LQhXYQ4qbn7L534tWvn8zWyvKLZLxmYPcOn6SdjFbKWmk5ARky2W
# sx9ojn9ANlYaLfzQ3TMRcIhWD6n8Si3KFNiQ3353E8xkRkyfu0WHyXAy8/kIc5UT
# nScO2YD68XkdkcLF6uLUKuGiVZXFWXRY1Ttz9tvEmBckVsg6TIkoMONHeUWNP7ly
# A0bJwN5qEOk6XIYKHWwX5UzvkcfUpOb5VmuLuv3gRoNX0A7/+fc=
# =5K9J
# -----END PGP SIGNATURE-----
# gpg: Signature made Wed 10 Jan 2024 08:56:41 GMT
# gpg:                using RSA key 6AE902B6A7CA877D6D659296AF7C95130C538013
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 6AE9 02B6 A7CA 877D 6D65  9296 AF7C 9513 0C53 8013

* tag 'pull-riscv-to-apply-20240110' of https://github.com/alistair23/qemu: (65 commits)
  target/riscv: Ensure mideleg is set correctly on reset
  target/riscv: Don't adjust vscause for exceptions
  target/riscv: Assert that the CSR numbers will be correct
  target/riscv: pmp: Ignore writes when RW=01 and MML=0
  roms/opensbi: Upgrade from v1.3.1 to v1.4
  docs/system/riscv: sifive_u: Update S-mode U-Boot image build instructions
  target/riscv/kvm: add RVV and Vector CSR regs
  target/riscv/kvm: do PR_RISCV_V_SET_CONTROL during realize()
  linux-headers: riscv: add ptrace.h
  linux-headers: Update to Linux v6.7-rc5
  target/riscv/kvm.c: remove group setting of KVM AIA if the machine only has 1 socket
  target/riscv: add rva22s64 cpu
  target/riscv: add RVA22S64 profile
  target/riscv: add 'parent' in profile description
  target/riscv: add satp_mode profile support
  target/riscv/cpu.c: add riscv_cpu_is_32bit()
  target/riscv/cpu.c: finalize satp_mode earlier
  target/riscv: add priv ver restriction to profiles
  target/riscv: implement svade
  target/riscv: add 'rva22u64' CPU
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

include/hw/nvram/fw_cfg_acpi.h

@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * ACPI support for fw_cfg
+ *
+ */
+
+#ifndef FW_CFG_ACPI_H
+#define FW_CFG_ACPI_H
+
+#include "qemu/osdep.h"
+#include "exec/hwaddr.h"
+
+void fw_cfg_acpi_dsdt_add(Aml *scope, const MemMapEntry *fw_cfg_memmap);
+
+#endif

include/hw/pci-host/gpex.h

@@ -40,6 +40,15 @@ struct GPEXRootState {
     /*< public >*/
 };
 
+struct GPEXConfig {
+    MemMapEntry ecam;
+    MemMapEntry mmio32;
+    MemMapEntry mmio64;
+    MemMapEntry pio;
+    int         irq;
+    PCIBus      *bus;
+};
+
 struct GPEXHost {
     /*< private >*/
     PCIExpressHost parent_obj;
@@ -55,19 +64,22 @@ struct GPEXHost {
     int irq_num[GPEX_NUM_IRQS];
 
     bool allow_unmapped_accesses;
-};
 
-struct GPEXConfig {
-    MemMapEntry ecam;
-    MemMapEntry mmio32;
-    MemMapEntry mmio64;
-    MemMapEntry pio;
-    int         irq;
-    PCIBus      *bus;
+    struct GPEXConfig gpex_cfg;
 };
 
 int gpex_set_irq_num(GPEXHost *s, int index, int gsi);
 
 void acpi_dsdt_add_gpex(Aml *scope, struct GPEXConfig *cfg);
+void acpi_dsdt_add_gpex_host(Aml *scope, uint32_t irq);
+
+#define PCI_HOST_PIO_BASE               "x-pio-base"
+#define PCI_HOST_PIO_SIZE               "x-pio-size"
+#define PCI_HOST_ECAM_BASE              "x-ecam-base"
+#define PCI_HOST_ECAM_SIZE              "x-ecam-size"
+#define PCI_HOST_BELOW_4G_MMIO_BASE     "x-below-4g-mmio-base"
+#define PCI_HOST_BELOW_4G_MMIO_SIZE     "x-below-4g-mmio-size"
+#define PCI_HOST_ABOVE_4G_MMIO_BASE     "x-above-4g-mmio-base"
+#define PCI_HOST_ABOVE_4G_MMIO_SIZE     "x-above-4g-mmio-size"
 
 #endif /* HW_GPEX_H */

include/hw/riscv/virt.h

@@ -23,6 +23,7 @@
 #include "hw/riscv/riscv_hart.h"
 #include "hw/sysbus.h"
 #include "hw/block/flash.h"
+#include "hw/intc/riscv_imsic.h"
 
 #define VIRT_CPUS_MAX_BITS             9
 #define VIRT_CPUS_MAX                  (1 << VIRT_CPUS_MAX_BITS)
@@ -60,6 +61,7 @@ struct RISCVVirtState {
     char *oem_table_id;
     OnOffAuto acpi;
     const MemMapEntry *memmap;
+    struct GPEXHost *gpex_host;
 };
 
 enum {
@@ -127,4 +129,28 @@ enum {
 
 bool virt_is_acpi_enabled(RISCVVirtState *s);
 void virt_acpi_setup(RISCVVirtState *vms);
+uint32_t imsic_num_bits(uint32_t count);
+
+/*
+ * The virt machine physical address space used by some of the devices
+ * namely ACLINT, PLIC, APLIC, and IMSIC depend on number of Sockets,
+ * number of CPUs, and number of IMSIC guest files.
+ *
+ * Various limits defined by VIRT_SOCKETS_MAX_BITS, VIRT_CPUS_MAX_BITS,
+ * and VIRT_IRQCHIP_MAX_GUESTS_BITS are tuned for maximum utilization
+ * of virt machine physical address space.
+ */
+
+#define VIRT_IMSIC_GROUP_MAX_SIZE      (1U << IMSIC_MMIO_GROUP_MIN_SHIFT)
+#if VIRT_IMSIC_GROUP_MAX_SIZE < \
+    IMSIC_GROUP_SIZE(VIRT_CPUS_MAX_BITS, VIRT_IRQCHIP_MAX_GUESTS_BITS)
+#error "Can't accomodate single IMSIC group in address space"
+#endif
+
+#define VIRT_IMSIC_MAX_SIZE            (VIRT_SOCKETS_MAX * \
+                                        VIRT_IMSIC_GROUP_MAX_SIZE)
+#if 0x4000000 < VIRT_IMSIC_MAX_SIZE
+#error "Can't accomodate all IMSIC groups in address space"
+#endif
+
 #endif

include/hw/virtio/virtio-acpi.h

@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * ACPI support for virtio
+ */
+
+#ifndef VIRTIO_ACPI_H
+#define VIRTIO_ACPI_H
+
+#include "qemu/osdep.h"
+#include "exec/hwaddr.h"
+
+void virtio_acpi_dsdt_add(Aml *scope, const hwaddr virtio_mmio_base,
+                          const hwaddr virtio_mmio_size, uint32_t mmio_irq,
+                          long int start_index, int num);
+
+#endif

include/standard-headers/drm/drm_fourcc.h

@@ -322,6 +322,8 @@ extern "C" {
  * index 1 = Cr:Cb plane, [39:0] Cr1:Cb1:Cr0:Cb0 little endian
  */
 #define DRM_FORMAT_NV15		fourcc_code('N', 'V', '1', '5') /* 2x2 subsampled Cr:Cb plane */
+#define DRM_FORMAT_NV20		fourcc_code('N', 'V', '2', '0') /* 2x1 subsampled Cr:Cb plane */
+#define DRM_FORMAT_NV30		fourcc_code('N', 'V', '3', '0') /* non-subsampled Cr:Cb plane */
 
 /*
  * 2 plane YCbCr MSB aligned

include/standard-headers/linux/pci_regs.h

@@ -80,6 +80,7 @@
 #define  PCI_HEADER_TYPE_NORMAL		0
 #define  PCI_HEADER_TYPE_BRIDGE		1
 #define  PCI_HEADER_TYPE_CARDBUS	2
+#define  PCI_HEADER_TYPE_MFD		0x80	/* Multi-Function Device (possible) */
 
 #define PCI_BIST		0x0f	/* 8 bits */
 #define  PCI_BIST_CODE_MASK	0x0f	/* Return result */
@@ -637,6 +638,7 @@
 #define PCI_EXP_RTCAP		0x1e	/* Root Capabilities */
 #define  PCI_EXP_RTCAP_CRSVIS	0x0001	/* CRS Software Visibility capability */
 #define PCI_EXP_RTSTA		0x20	/* Root Status */
+#define  PCI_EXP_RTSTA_PME_RQ_ID 0x0000ffff /* PME Requester ID */
 #define  PCI_EXP_RTSTA_PME	0x00010000 /* PME status */
 #define  PCI_EXP_RTSTA_PENDING	0x00020000 /* PME pending */
 /*
@@ -930,12 +932,13 @@
 
 /* Process Address Space ID */
 #define PCI_PASID_CAP		0x04    /* PASID feature register */
-#define  PCI_PASID_CAP_EXEC	0x02	/* Exec permissions Supported */
-#define  PCI_PASID_CAP_PRIV	0x04	/* Privilege Mode Supported */
+#define  PCI_PASID_CAP_EXEC	0x0002	/* Exec permissions Supported */
+#define  PCI_PASID_CAP_PRIV	0x0004	/* Privilege Mode Supported */
+#define  PCI_PASID_CAP_WIDTH	0x1f00
 #define PCI_PASID_CTRL		0x06    /* PASID control register */
-#define  PCI_PASID_CTRL_ENABLE	0x01	/* Enable bit */
-#define  PCI_PASID_CTRL_EXEC	0x02	/* Exec permissions Enable */
-#define  PCI_PASID_CTRL_PRIV	0x04	/* Privilege Mode Enable */
+#define  PCI_PASID_CTRL_ENABLE	0x0001	/* Enable bit */
+#define  PCI_PASID_CTRL_EXEC	0x0002	/* Exec permissions Enable */
+#define  PCI_PASID_CTRL_PRIV	0x0004	/* Privilege Mode Enable */
 #define PCI_EXT_CAP_PASID_SIZEOF	8
 
 /* Single Root I/O Virtualization */
@@ -975,6 +978,8 @@
 #define  PCI_LTR_VALUE_MASK	0x000003ff
 #define  PCI_LTR_SCALE_MASK	0x00001c00
 #define  PCI_LTR_SCALE_SHIFT	10
+#define  PCI_LTR_NOSNOOP_VALUE	0x03ff0000 /* Max No-Snoop Latency Value */
+#define  PCI_LTR_NOSNOOP_SCALE	0x1c000000 /* Scale for Max Value */
 #define PCI_EXT_CAP_LTR_SIZEOF	8
 
 /* Access Control Service */
@@ -1042,9 +1047,16 @@
 #define PCI_EXP_DPC_STATUS		0x08	/* DPC Status */
 #define  PCI_EXP_DPC_STATUS_TRIGGER	    0x0001 /* Trigger Status */
 #define  PCI_EXP_DPC_STATUS_TRIGGER_RSN	    0x0006 /* Trigger Reason */
+#define  PCI_EXP_DPC_STATUS_TRIGGER_RSN_UNCOR  0x0000 /* Uncorrectable error */
+#define  PCI_EXP_DPC_STATUS_TRIGGER_RSN_NFE    0x0002 /* Rcvd ERR_NONFATAL */
+#define  PCI_EXP_DPC_STATUS_TRIGGER_RSN_FE     0x0004 /* Rcvd ERR_FATAL */
+#define  PCI_EXP_DPC_STATUS_TRIGGER_RSN_IN_EXT 0x0006 /* Reason in Trig Reason Extension field */
 #define  PCI_EXP_DPC_STATUS_INTERRUPT	    0x0008 /* Interrupt Status */
 #define  PCI_EXP_DPC_RP_BUSY		    0x0010 /* Root Port Busy */
 #define  PCI_EXP_DPC_STATUS_TRIGGER_RSN_EXT 0x0060 /* Trig Reason Extension */
+#define  PCI_EXP_DPC_STATUS_TRIGGER_RSN_RP_PIO		0x0000	/* RP PIO error */
+#define  PCI_EXP_DPC_STATUS_TRIGGER_RSN_SW_TRIGGER	0x0020	/* DPC SW Trigger bit */
+#define  PCI_EXP_DPC_RP_PIO_FEP		    0x1f00 /* RP PIO First Err Ptr */
 
 #define PCI_EXP_DPC_SOURCE_ID		 0x0A	/* DPC Source Identifier */
 
@@ -1088,6 +1100,8 @@
 #define  PCI_L1SS_CTL1_LTR_L12_TH_VALUE	0x03ff0000  /* LTR_L1.2_THRESHOLD_Value */
 #define  PCI_L1SS_CTL1_LTR_L12_TH_SCALE	0xe0000000  /* LTR_L1.2_THRESHOLD_Scale */
 #define PCI_L1SS_CTL2		0x0c	/* Control 2 Register */
+#define  PCI_L1SS_CTL2_T_PWR_ON_SCALE	0x00000003  /* T_POWER_ON Scale */
+#define  PCI_L1SS_CTL2_T_PWR_ON_VALUE	0x000000f8  /* T_POWER_ON Value */
 
 /* Designated Vendor-Specific (DVSEC, PCI_EXT_CAP_ID_DVSEC) */
 #define PCI_DVSEC_HEADER1		0x4 /* Designated Vendor-Specific Header1 */

include/standard-headers/linux/vhost_types.h

@@ -185,5 +185,12 @@ struct vhost_vdpa_iova_range {
  * DRIVER_OK
  */
 #define VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK  0x6
+/* Device may expose the virtqueue's descriptor area, driver area and
+ * device area to a different group for ASID binding than where its
+ * buffers may reside. Requires VHOST_BACKEND_F_IOTLB_ASID.
+ */
+#define VHOST_BACKEND_F_DESC_ASID    0x7
+/* IOTLB don't flush memory mapping across device reset */
+#define VHOST_BACKEND_F_IOTLB_PERSIST  0x8
 
 #endif

include/standard-headers/linux/virtio_config.h

@@ -103,6 +103,11 @@
  */
 #define VIRTIO_F_NOTIFICATION_DATA	38
 
+/* This feature indicates that the driver uses the data provided by the device
+ * as a virtqueue identifier in available buffer notifications.
+ */
+#define VIRTIO_F_NOTIF_CONFIG_DATA	39
+
 /*
  * This feature indicates that the driver can reset a queue individually.
  */

include/standard-headers/linux/virtio_pci.h

@@ -166,6 +166,17 @@ struct virtio_pci_common_cfg {
 	uint32_t queue_used_hi;		/* read-write */
 };
 
+/*
+ * Warning: do not use sizeof on this: use offsetofend for
+ * specific fields you need.
+ */
+struct virtio_pci_modern_common_cfg {
+	struct virtio_pci_common_cfg cfg;
+
+	uint16_t queue_notify_data;	/* read-write */
+	uint16_t queue_reset;		/* read-write */
+};
+
 /* Fields in VIRTIO_PCI_CAP_PCI_CFG: */
 struct virtio_pci_cfg_cap {
 	struct virtio_pci_cap cap;